Hamilton Wanasinghe
| Hamilton Wanasinghe හැමිල්ටන් වනසිංහ | |
|---|---|
| Born | 18 August 1933 Malwana, British Ceylon (now Sri Lanka) | 
| Died | 13 June 2025 (aged 91) Narahenpita, Sri Lanka | 
| Allegiance | Sri Lanka | 
| Branch | Sri Lanka Army | 
| Years of service | 1954–1995 | 
| Rank | General | 
| Unit | Sri Lanka Artillery | 
| Commands | Commander of the Sri Lankan Army General Officer Commanding – Joint Operations Command and Secretary Defence | 
| Battles / wars | Second JVP Insurrection Sri Lankan Civil War | 
| Awards | Vishista Seva Vibhushanaya | 
| Alma mater | Royal Military Academy, Sandhurst, Ananda College | 
| Children | Juthika Wanasinghe, Dharshika Wanasinghe, Sanjaya Wanasinghe, Shashika Wanasinghe, Diluka Wanasinghe | 
| Relations | Major General Sanjaya Wanasinghe (Son) | 
General Hamilton Wanasinghe, VSV (18 August 1933 – 13 June 2025) was a Sri Lankan military officer and politician. He was full general in the Sri Lanka Army, serving as the 11th Commander of the Sri Lankan Army (1988–1991), third General Officer Commanding (GOC) of the Joint Operations Headquarters (JOH; at present known as the Chief of the Defence Staff; 1991–1993) and also as Defence Secretary.